<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			
			#timeDiv
			{
				background-color: #000000;
				color: white;
				font-size: 80px;
			}
		</style>
	</head>
	<body>
		<div id="timeDiv"></div>
		<script>
			// 创建一个定时器 间隔1秒
			setInterval(function)
			{
				// 
			}
		</script>
	</body>
</html>
